<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>原型链</title>
</head>

<body>
  <script>
    // ============================== 原型链 ==============================
    // __proto__属性链状结构称为原型链
    function Person(){}
    const zs = new Person()
    console.log(zs.toString())
    console.log(Object.prototype)
    
  
  </script>
</body>

</html>